Host board, optical receiver, optical transmitter, optical transceiver, and method of mounting optical transceiver on host board

An optical receiver comprising:

• a wavelength demulitiplexing unit configured to separate at least one optical signal to be received from an optical signal transmitted through an optical fiber and subjected to wavelength multiplexing;
• at least one optical reception unit configured to receive the at least one optical signal to be received and output an electric signal;
• an interface including an electrical contact for outputting the electric signal from the at least one optical reception unit to a host board;
• and
• a communication unit configured to notify the host board of information for specifying an electrical contact available for transmitting the electric signal from the at least one optical reception unit to the host board and the at least one optical reception unit.

An optical transmitter comprising:

• at least one optical transmission unit configured to receive an electric signal from a host board and transmit at least one optical signal having an identical wavelength or different wavelengths;
• a wavelength multiplexing unit configured to
• transmit the at least one optical signal from the at least one optical transmission unit to an optical fiber, and
• when the at least one optical signal from the at least one optical transmission unit has different wavelengths, transmit an optical signal subjected to wavelength multiplexing to the optical fiber;
• an interface including an electrical contact for receiving an electric signal from the host board;
• and
• a communication unit configured to notify the host board of information for specifying the electrical contact available for transmitting the electric signal from the host board to the at least one optical transmission unit and the at least one optical transmission unit.

An optical transceiver comprising:

• a wavelength demulitiplexing unit configured to separate at least one optical signal to be received from an optical signal transmitted through an optical fiber and subjected to wavelength multiplexing;
• a wavelength multiplexing unit integral with the wavelength demulitiplexing unit or separate from the wavelength demulitiplexing unit;
• at least one optical reception unit configured to receive the at least one optical signal to be received;
• at least one optical transmission unit configured to receive an electric signal from a host board and output an optical signal;
• an interface having a first electrical contact for receiving an electric signal from the host board and a second electrical contact for outputting an electric signal from the at least one optical reception unit to the host board, the interface being adapted to a plurality of lanes;
• and
• a communication unit configured to notify the host board of information for specifying the at least one optical reception unit, the at least one optical transmission unit, the first electrical contact available for transmitting the electric signal from the host board to the at least one optical transmission unit, and the second electrical contact available for transmitting the electric signal from the at least one optical reception unit to the host board.

A method of mounting an optical transceiver on a host board, the method comprising:

• connecting an optical transceiver storing lane information to a connector of a host board;
• reading the lane information from the optical transceiver;
• determining a number of lanes based on the lane information;
• and
• performing control for multi-lane distribution based on the number of lanes.

A host board for mounting an optical transceiver, the host board comprising:

• a connector configured to attach thereto and detach therefrom the optical transceiver having at least one lane;
• a management unit configured to receive lane information regarding an available lane of the optical transceiver from the optical transceiver through the connector and specify the available lane;
• and
• a communication unit configured to communicate with the optical transceiver through the connector,
• the communication unit being configured to communicate data with the optical transceiver, the data being transmitted through the available lane specified by the management unit.

An optical receiver comprising:

• a wavelength demulitiplexing unit configured to separate at least one optical signal to be received from an optical signal transmitted through an optical fiber and subjected to wavelength multiplexing;
• at least one optical reception unit configured to receive the at least one optical signal to be received and output an electric signal;
• an interface for outputting the electric signal from the at least one optical reception unit to a host board;
• and
• a communication unit configured to notify the host board of information for specifying a lane available for transmitting an electric signal from the at least one optical reception unit to the host board and the at least one optical reception unit.

An optical transmitter comprising:

• at least one optical transmission unit configured to receive an electric signal from a host board and transmit at least one optical signal having an identical wavelength or different wavelengths;
• a wavelength multiplexing unit configured to
• transmit the at least one optical signal from the at least one optical transmission unit to an optical fiber, and
• when the at least one optical signal from the at least one optical transmission unit has different wavelengths, transmit an optical signal subjected to wavelength multiplexing to the optical fiber;
• an interface for receiving an electric signal from the host board;
• and
• a communication unit configured to notify the host board of information for specifying a lane available for transmitting the electric signal from the host board to the at least one optical transmission unit and the at least one optical transmission unit.

An optical transceiver comprising:

• a wavelength demulitiplexing unit configured to separate at least one optical signal to be received from an optical signal transmitted through an optical fiber and subjected to wavelength multiplexing;
• a wavelength multiplexing unit integral with the wavelength demulitiplexing unit or separate from the wavelength demulitiplexing unit;
• at least one optical reception unit configured to receive the at least one optical signal to be received;
• at least one optical transmission unit configured to receive an electric signal from a host board and output an optical signal;
• an interface for receiving an electric signal from the host board and outputting an electric signal from the at least one optical reception unit to the host board;
• and
• a communication unit configured to notify the host board of information for specifying the at least one optical reception unit, the at least one optical transmission unit, and a lane available for transmitting the electric signal from the host board to the at least one optical transmission unit and transmitting the electric signal from the at least one optical reception unit to the host board.